CN2134236Y - Pipeline leak paint coater - Google Patents

Abstract

The utility model relates to a pipeline leak paint coater. The utility model can travel in the omnibearing pipeline whose diameter is larger than Phi 114 mm, can search the target to repair the leakage without touching the pipe wall. The utility model is connected with a power source outside the pipeline, a regulated power supply, a paying out machine and a traction engine 1. The pipeline leak paint coater adopts a high-speed barrel type direct current electric motor 13 which is provided with a low and a high speed shafts (67 and 18); the low speed shaft drives the traction engine while the high speed shaft drives a spray cup 37 to rotate. The wheels of the traction engine are the permanent magnet wheels. A target searching device is composed of electronic components, and the circuits of the target searching device is provided with a wire pack 3 and a probe 28; the wire pack 3 can generate high voltage, and the probe 28 can generate the electric spark under the high voltage; a spark gap is arranged between the probe and the pipe wall, and is used for the electric spark the probe generates under the high voltage. The electric spark can acts the signal which causes that a paint electromagnetic valve 32 opens a paint storage device 21 to offer the paint to the spray cup for coating.

Description

Pipeline leak paint coater

The utility model relates to the coating machine of holiday and weld bond place in a kind of pipeline, can be applicable in the above and different azimuth pipeline of φ 114mm to paint.

Holiday and weld bond place are the keys of inner wall anti-corrosive in the pipeline in the pipeline.At present, be used for coating machine in the pipeline, it is by the motor-driven hauling machine of walking, and target-seeking device and the device for painting of seeking target with walking constitute; Wherein wheel and inside pipe wall drive the machine walking with CONTACT WITH FRICTION on the walking mechanism, only can walk in the level orientation pipeline; It is power supply with the battery, and volume is big, power is little, can only be used in big (more than the φ 219mm) pipeline to paint, and the replacing power supply that need charge again simultaneously influences touch-up paint efficient; Because of power is little, the rotating speed of institute's translator is 6000r/min, and speed is low, influences the atomizing effect that sprays paint, directly influence japanning quality; Probe is sought target with inside pipe wall with friction mode on the target-seeking device, can destroy the former coat of paint in the operation friction process, influences the coating quality; The pump upper piston in the easy blocking pipe of coated substance that comes off simultaneously, influence is produced.

The purpose of this utility model is to overcome above-mentioned prior art shortcoming part, is used as power with the pipe body external power and provide a kind of, do not contact with tube wall can seek target and can be in the above pipeline of comprehensive φ 114mm the mending-leakage coating machine.

The purpose of this utility model can reach by the following technical programs: it is by the motor-driven hauling machine of walking, seek with walking on the target-seeking device and device for painting of target, be connected with paying out machine through voltage-stabilized power supply by the pipeline external power, use attaching plug (54 on cable 53 and the hauling machine 1 again, 55) connect, have on (14000r/min) direct current generator 13 at a high speed to drive hauling machine 1 respectively, the slow-speed shaft 67 and the high speed shaft 18 of japanning cup 37 are equipped with permanent magnet 57 on the driving wheel 56 on the hauling machine; The formation of target-seeking device: (1) is connected to dropping resistor R on low-voltage dc circuit ₁₉With by transistor BG ₁, BG ₂, resistance (R ₁～R ₄) and electric capacity (C ₁, C ₂) the composition multivibrator; (2) by transistor BG ₃, resistance (R ₅～R ₇) composition emitter base diode circuit, wherein BG ₃Last base stage goes up colelctor electrode with BG2 and links to each other; (3) by high line bag GB, transistor BG ₄And resistance R ₈Form amplifying circuit, wherein BG ₄Last base stage is passed through R ₃With BG ₃Emitter stage link to each other, GB utmost point last time be contained in lacquer and link to each other with the probe on the magnetic valve 32 28, and at GB and BG ₄Emitter stage between shunt capacitance (C ₃, C ₄); (4) by transistor BG ₅, BG ₆, resistance (R ₉～R ₁₅) and electric capacity (C ₅, C ₆) coupling of composition emitter-base bandgap grading monostable trigger, wherein BG ₆Base stage pass through C ₆With BG ₄Emitter stage connect; (5) by BG ₇～BG ₉, R ₁₆, R ₁₇And R ₁₈, C ₇And C ₈, magnetic valve DF(32) and crystal diode BG ₁₀Form the solenoid control amplifying circuit, wherein the base stage of BG is passed through C ₇With BG ₅Colelctor electrode connect; Electricity sparking gap is arranged between probe 28 and the inside pipe wall.

Be furnished with many group driving wheels 56 on the above-mentioned hauling machine, every group is 2, by railway carriage or compartment plate 60,61,62, hinged with hinge 63; Uniform 2 above supporting guide wheels (12, paint roller does not draw) make progress in motor and 21 weeks of paint roller; Be welded with two elastomers on the magnetic valve, directive wheel be housed, probe 28 is housed on guide wheel shaft in two bodies; The driving wheel center is a magnet steel 57, and the magnet steel both sides are screwed on the yoke plate 59 that tape spool holds, and are surrounded by flute profile belt wheel 58 between two yoke plates on magnet steel.

The utility model is compared above-mentioned prior art and is had following effect: applicable to coating lacquer in the above pipeline of φ 114mm because permanent magnet is arranged on driving wheel, increased and inner-walls of duct between frictional force, can in comprehensive pipeline, walk; Its probe not with the inwall contact friction, the ground enamelled coating occluding device that can prevent to be come off by friction helps producing; Owing to adopt pipeline external application cable power supply, can adopt pot motor, can improve spraying coating cloud degree, help improving the japanning quality, also improved production efficiency simultaneously.

Fig. 1, the 2nd, this coating machine merogenesis figure;

Fig. 3 is the paying out machine 52 and the constant voltage dc source that is connected with power line 45 (38～44) diagrammatic sketch that cable 53 connects on Fig. 1;

Fig. 4 is Fig. 1 hauling machine 1 diagrammatic sketch;

Fig. 5 is Fig. 4 upper edge driving wheel A-A profile;

Fig. 6 be on Fig. 1 with motor 13 junctor compositions;

Fig. 7 is motor 13 2 output shafts (67, a 18) diagrammatic sketch on Fig. 1;

Fig. 8 is target-seeking device 2 line maps on Fig. 1;

Fig. 9 is storage lacquerware 21 structure charts on Fig. 2;

Figure 10 is that motor 13 is by flexible axle on Fig. 2 22 on Fig. 1, and transmission case 36 drives spray cup 37 connection layouts;

Figure 11 is probe 28 installations diagram on Fig. 2;

Figure 12 is directive wheel 12 structure charts on Fig. 1.

Below in conjunction with accompanying drawing will the utility model is described in further detail:

The utility model is the improvement on existing coating machine.Form the coating machine diagrammatic sketch by shown in Fig. 1～3, it constitutes walking mechanism by the hauling machine 1 that motor 13 drives, and forms target-seeking device 2 and device for painting is formed by electronic component.Adopt the pipeline external power to be connected with paying out machine 52 with lead 45 through voltage-stabilized power supply (38～43), use cable 53 again through hauling machine 1 plug, socket (54,55) power supply with lead 44; Wherein motor 13 adopts at a high speed drivings that be used as power of (14000r/min) cartridge type direct current generators, drives hauling machine 1 on the motor respectively and drives low, the high speed shaft (67,18) of japanning glasss 37; Adopt permanent magnet driving wheel 56 on the hauling machine 1.The composition of target-seeking device 2: (1) is connected to dropping resistor R on the voltage-stabilized power supply low-voltage dc circuit ₁₉With by transistor BG ₁, BG ₂, resistance (R ₁～R ₄) and electric capacity (C ₁, C ₂) the composition multivibrator; (2) by BG ₃, R ₅～R ₇Form emitter base diode circuit, wherein BG ₃Last base stage and BG ₂Last colelctor electrode links to each other; (3) by high-voltage line bag 3(GB), BG ₄And R ₈Form amplifying circuit, wherein BG ₄Last base stage is passed through R ₇With BG ₃Emitter stage link to each other, GB is last secondaryly to pop one's head in the sparking on the magnetic valve 32 and 28 links to each other with being contained in lacquer, and at GB and BG ₄Emitter stage between shunt capacitance (C ₃, C ₄); (4) by transistor BG ₅, BG ₆, resistance R ₉～R ₁₅And electric capacity (C ₅, C ₆) composition coupling monostable trigger, wherein BG ₆Base stage pass through C ₆With BG ₄Emitter stage link to each other; (5) by BG ₇～BG ₉, R ₁₆, R ₁7, C ₇, C ₈, magnetic valve DF(32) and crystal diode BG ₁₀Form control magnetic valve amplifying circuit, wherein BG ₇Base stage pass through C ₇With BG ₅Colelctor electrode link to each other, and be connected to R on the line ₁₈Electricity sparking gap is arranged between probe 28 and the inside pipe wall.

Be evenly equipped with many group magnetic drive wheels 56 in the above-mentioned walking mechanism on the hauling machine 1, connect with hinge 63 and respectively organize driving wheel; In car body 1, cartridge type motor 13 and 21 weeks of paint roller the uniform supporting guide wheel that contacts with inside pipe wall more than 2 (by wheel 56,12, not drawing on the paint roller on the car body) is arranged upwards, be generally 3; Along establishing expansion tightening wheel 72 on the hauling machine 1 axial rotating flute profile band 71.Magnetic valve 32 use magnetic valve for lacquer, and the directive wheel 76 of two elastomers, 77 supports is housed on it, and directive wheel can make progress uniformly more than 2 in week, is generally 3; Adorn 2 probes 28 on each guide wheel shaft, as shown in figure 11.Wheel 56 centerbodies are magnet steel body 57, and the magnet steel both sides are fixed on the tape spool yoke plate 59 with screw, are contained on the railway carriage or compartment plate (60,61,62) with bearing; Be surrounded by flute profile belt wheel 58 between two yoke plates on magnet steel 57, it and 71 engagements of revolution flute profile band are as Fig. 5, shown in 6.

By shown in Figure 6, cartridge type electrode 13 is a DC micromotor, the low speed vertical with fuselage is arranged on the motor, and (300～400r/min) output shafts 67 pay 10 by bevel type gear, be fixed on the driver 64 on the casing, universal joint (65,66), universal joint intermediate connecting rod (6,9) be fixed on hauling machine one side carriage plate on bearing housing 68 be connected, bearing housing 68 dress bevel type gears 69 and bevel type gear 70 engagements, gear 70 be with the expansion tightening wheel 72 that is contained in plate between wing-rooms on either side of a one-story house for coaxial, expansion tightening wheel 72 with along axial rotating flute profile band 71 engagements of hauling machine, flute profile band 71 again with hauling machine on 56 engagements of each driving wheel, form and drive transmission system, Passive part is a driving wheel 56; Motor 13 and 1 of hauling machine have the nylon connecting rod 7 of adjustment again simultaneously, and it is by latch 5, lock shaft 4 and hinged-support 11 motor and hauling machine to be coupled together, and also have supporting base 8 on its king-rod 7, as shown in Figure 1, and to guarantee the balance of hauling machine.

By Fig. 1,2 in conjunction with shown in Figure 10, also has high speed output shaft 18 on the motor 13 by nut (17,20) be connected with the joint 19 of flexible axle 22, its center tap 19 is connected with flexible axle by freewheel clutch 14, nut 20, flexible axle top connection 30 is connected with minor axis 31 on the transmission case 36 by nut (29,35) again, and the spray cup 37 of driven rotary is arranged on the transmission case 36; At motor and 36 of transmission cases storage lacquerware 21 is arranged, the storage lacquerware is to be fixed on the bearing that is enclosed within flexible axle 22, piston 74 and compression spring 73 are arranged in the storage lacquerware, the device outer end is fixed with crank axle 16 again, crank axle and crank 15 are used, wherein be wound with flexure strip on the crank axle, flexure strip is connected with spring 73; The storage lacquerware other end is by nut 23, and taper hollow bolt 25, nut (26,27) are communicated with magnetic valve 32 with lacquer, as shown in Figure 9; Lacquer is communicated with spray cup 37 joints that are communicated with 75 by 36 li of nut 33 and drivers again with magnetic valve 32, at joint 75 and spray on the path between the hollow shaft on glasss 37 adjustment bolt 34 is housed again, as shown in figure 10; Wherein storing up lacquerware is subjected to solenoid control to supply lacquer to the spray cup.Driving spray cup high speed rotating through flexible axle by transmission case 36 by motor sprays paint coating cloudization.Wherein 24 is bearings.

By Fig. 2, shown in 11, probe 28 is elements in Fig. 8 circuit, keeps electricity sparking gap between it and inner-walls of duct, random walk holiday in the pipeline, and the electric welding mouth is in and produces electricity high voltage under and strike sparks, as target-seeking device electric signal; It is by being welded in magnetic valve two elastomers 77, being equipped with between two elastomer ends the directive wheel 76 that tape spool holds is housed on the bearing, on the axle of directive wheel 2 probes (electrode) body 28 being housed.

By Fig. 1,2 tops, part constitute streamlined coating machine longitudinal bodies, and the formed diameter of a circle of directive wheel is decided by internal diameter of the pipeline on each parts, can conveniently pass in and out.Coil winding machine and voltage-stabilized power supply are the pipeline exterior part, and cable is with the body inlet and outlet piping.

Operation principle: target-seeking device 2 in pipeline with in the hauling machine running, probe 28 runs into the bare metal inwall on it, as weld bond and depainting place, sends the signal of telecommunication just produce the electricity sparking, instruct each executing agency determining execution in the time, finish paint work at last.Its job analysis is as follows:

By shown in Figure 8, by BG ₁, BG ₂On the multivibrator circuit of being formed, change capacitor C ₁, C ₂Value or resistance R ₂, R ₃Value just can regulate frequency of oscillation, has so just been controlled high-voltage line bag GB(3 on the circuit) time of primary coil switching electricity.Wherein the secondary of high-voltage line bag GB received on the probe 28 BG ₃Be isolation level, make the work of power amplifier level change the job stability that does not influence multivibrator, by BG ₅, B ₆On the emitter-base bandgap grading coupling monostable trigger circuit of being formed, when probe operation weld bond, holiday position, just produce electricity sparking, resistance R ₈Pressure drop just changes, and this variable signal just passes through capacitor C ₆, make the trigger upset; Behind the sparking blackout, circuit returns to reset condition, and the time of its recovery is by capacitor C ₅Value decides.By BG ₇～BG ₉Composition is to magnetic valve DF switching control circuit, multiple tube BG at ordinary times ₇, BG ₈Be in conducting state, and BG ₉Be in cut-off state, not conducting of magnetic valve DF at this moment promptly is in closed condition; When the signal of telecommunication, trigger upset, BG ₅Collector potential changes, and passes through capacitor C ₁, make BG ₇, BG ₈End, BG is conducting then, and magnetic valve energising at this moment promptly is in opening.Behind the sparking blackout, by capacitor C ₅Value decision sparking delay time, after the time-delay, circuit recovers initial state, and at this moment, magnetic valve then cuts off the power supply.Resistance R on the circuit ₁₉Be dropping resistor, make BG ₁～BG ₄Circuit is under the low-voltage and works; Capacitor C ₃, C ₄With R ₁₉Form filter circuit again; Resistance R ₁₈Also be dropping resistor, crystal diode shields.Above-mentioned high-voltage line bag simple with periodically switching of certain frequency, the secondary voltage that induces up to several kilovolts of high-voltage line bag, when just puncturing with the inner-walls of duct clearance air, probe random walk holiday place produces the electricity sparking, utilize this signal that magnetic valve is opened, get through storage lacquerware 21 and the path that sprays cup.In this process, 21 li pistons 74 of storage lacquerware will coat with lacquer pressure (pushing away) to magnetic valve under spring 73 effects, enter in the revolving cup 37 that (10000r/min) rotates at a high speed and will spray paint to the holiday place, as Fig. 9, shown in 10.And the rotation of revolving cup 37 is through freewheel clutch 14, flexible axle 22 and transmission case 36 revolving cup to be rotated by motor 13 at a high speed, sprays paint to spray vaporific drop through the cup upper screen cloth with centrifugal force and be applied to the repaired mouth place uniformly.

Be used for mending-leakage coating machine in the φ 114mm pipeline, its main technical detail is with reference to as follows: (1) tractive force should be greater than 50N; (2) input power 200W; (3) power output 120W; (4) operating voltage 70～90V(arc-welding machine floating voltage); (5) operating current 24A; (6) repaired mouth speed is 1 road weld bond/16min; (7) travel speed 350m/S; (8) complete machine length 1200mm; (9) complete machine weight 12kg; (10) complete machine walking orientation is 360 °.

Because fuselage is longer, merogenesis is placed when idle, connects combination again and send in the pipeline when the need operation.As making power supply, adjust power supply and be not less than 75V with on-the-spot electric welding machine.Positive and negative (38,39) two switches are arranged on voltage-stabilized power supply, make motor commutation, but can make coating machine forward and back in pipeline like this; Other has total power switch (40,41) and stabilized switch 43.Voltage-stabilized power supply is connected with paying out machine 52 with lead 45; Positive and negative switch (46,47) is arranged on the paying out machine, and with tooth hub 51, nut (48,49) is installed on the unwrapping wire arbor 50.

Claims (5)

1, mend coating machine in a kind of pipeline, it is by the motor-driven hauling machine of walking, and target-seeking device and the device for painting of seeking target with walking constitute its feature:

A, be connected with hauling machine 1 with cable 53 through voltage-stabilized power supply, paying out machine by the pipeline external power;

B, have on (14000r/mln) direct current generator 13 and drive hauling machine 1 respectively, low, the high speed shaft (67,18) of japanning cup 37 at a high speed;

Adopt permanent magnet driving wheel 56 on c, the hauling machine 1;

The formation of d, target-seeking device 2: (1) is connected to dropping resistor R on low-voltage dc circuit ₁₉With by transistor BG ₁, BG ₂, resistance (R ₁～R ₄) and electric capacity (C ₁, C ₂) the composition multivibrator; (2) by transistor BG ₃, resistance (R ₅～R ₇) composition emitter base diode circuit, wherein BG ₃Last base stage and BG ₂Last colelctor electrode links to each other; (3) by high line bag GB, transistor BG ₄And resistance R ₆Form amplifying circuit, wherein BG ₄Last base stage is passed through R ₇With BG ₃Emitter stage link to each other, GB utmost point last time be contained in lacquer and link to each other with the probe on the magnetic valve 32 28, and at GB and BG ₄Emitter stage between shunt capacitance (C ₃, C ₄); (4) by transistor BG ₅, BG ₆, resistance (R ₉～R ₁₅) and electric capacity (C ₅, C ₆) coupling of composition emitter-base bandgap grading monostable trigger, wherein BG ₆Base stage pass through C ₆With BG ₄Emitter stage connect; (5) by BG ₇～BG ₉, R ₁₆, R ₁₇And R ₁₈, C ₇And C ₈, magnetic valve DF (32) and crystal diode BG ₁₀Form the solenoid control amplifying circuit, wherein the base stage of BG is passed through C ₇With BG ₅Colelctor electrode connect;

Electricity sparking gap is arranged between e, probe 28 and the inside pipe wall.

2, mending-leakage coating machine in the pipeline as claimed in claim 1, its feature: many group driving wheels 56 are housed on hauling machine.Every group is 2, by railway carriage or compartment plate 60,61,62, with hinge 63 hinges.

3, mending-leakage coating machine in the pipeline as claimed in claim 1, its feature: in motor 13 and uniform 2 the above supporting guide wheels that make progress in 21 weeks of paint roller (12, by driving wheel, do not draw on 21 on the hauling machine).

4, mending-leakage coating machine in the pipeline as claimed in claim 1, its feature: be welded with two elastomers 77 on the magnetic valve 32, directive wheel 76 is housed on two elastomers, probe 28 is housed on guide wheel shaft.

5, as claim 1, mending-leakage coating machine in the 2 described pipelines, its feature: the driving wheel center is a magnet steel 57, the magnet steel both sides are screwed on the yoke plate 59 that tape spool holds, and are surrounded by flute profile belt wheel 58 between two yoke plates on magnet steel.

Images